375428291 has 16 divisors (see below), whose sum is σ = 434108160. Its totient is φ = 318034080.

The previous prime is 375428281. The next prime is 375428293. The reversal of 375428291 is 192824573.

It is not a de Polignac number, because 375428291 - 2¹⁸ = 375166147 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (375428293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231080 + ... + 232698.

It is an arithmetic number, because the mean of its divisors is an integer number (27131760).

Almost surely, 2^375428291 is an apocalyptic number.

375428291 is a deficient number, since it is larger than the sum of its proper divisors (58679869).

375428291 is a wasteful number, since it uses less digits than its factorization.

375428291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1994.

The product of its digits is 120960, while the sum is 41.

The square root of 375428291 is about 19375.9720014249. The cubic root of 375428291 is about 721.3992151531.

The spelling of 375428291 in words is "three hundred seventy-five million, four hundred twenty-eight thousand, two hundred ninety-one".